Use controller's classes with instance methods as routing actions, mounting its in application class.

Genio is an extensible tool that can generate code to consume APIs in multiple programming languages based on API specification formats: JSON-Schema/WSDL/WADL

gizmo is a simple page model testing framework used and sponsored by 'realestate.com.au'. The aim of the project is to DRY up your testing assertions by abstracting code that defines your page resulting in a consistent, easy to maintain test suit

Share your Jade views between client and server, eliminate code duplication and make your single-page app SEO friendly

MJML parser and template engine for Ruby

Fast and fuzzy ruby web framework + server

Sprockets support for Opal.

Intelligent caching, no observers necessary

StaticMatic helps you quickly create maintainable Amazon S3 static websites using tools such as Haml and Sass. Quickly deploy to services such as Amazon S3 in a single command.

Simple Cluster Management Tools

Match text; run commands. Works great for building a chatbot!

Useful stuff to use with cuba

Flutterby is a flexible, Ruby-powered, routing graph-based web application framework that will serve your website dynamically or export it as a static site.

A websocket server compatible with the Pusher protocol.

This is the basic module of Golden Cobra. It offers Devise, ActiveAdmin, an article module, a menu module and global settings for an CMS

Async framework for writing API servers

Mail for Ruby applications and Hanami mailers

A happy little toolkit for writing web applications.

Contributed Hobbit extensions

A template engine that generates hypermedia enbabled media types representations